Urethral stricture
Hello, Doctor.
I have been experiencing a very low urine flow for some time, taking about 1.5 to 2 minutes to urinate.
I previously ignored this situation, but recently I went to the hospital for a cystoscopy.
The attending physician diagnosed me with urethral stricture, stating that the diameter at the narrowest point is only 0.1 cm, but the length of the stricture is approximately within 0.5 cm, which is not too long.
He suggested that I first have the smallest catheter (0.4 cm) placed to dilate the stricture, and then return in a month to replace it with a slightly larger one (0.5 cm), and after another month, switch to an even larger one (0.6 cm), allowing time for the stricture to be dilated.
(The physician's intention is to start with a 0.4 cm catheter and by the third month, switch to a 0.6 cm diameter, which is similar to normal size, with each diameter being in place for one month.)
I have researched online and seen methods involving stents or dilators, and even urethral reconstruction, but I haven't come across the approach of just using a catheter for dilation.
I would like to ask if this method is feasible.
Currently, I am only using the catheter without a drainage bag, and the doctor advised me to use a clamp to hold the catheter and release it when I feel the urge to urinate.
I have been doing this for a week now, but I still notice some bleeding from the urethra daily (and occasionally a bit of pain, possibly due to positioning).
I am concerned that having the catheter in place for three months might cause damage or scarring to the urethra, leading to further narrowing.
Is this a concern, Doctor? Thank you.
Ke Lei Ge, 30~39 year old female. Ask Date: 2019/11/06
Dr. Cai Zhuorong reply Urology
Q: I have seen cases where only a catheter was used for dilation.
Is this method feasible?
A: Urethral dilation can be performed using devices called urethral sounds, or by using an OTIS urethrotome or optical urethrotome for incision.
A catheter still needs to be placed for several weeks afterward.
Q: I still experience slight bleeding from the urethra daily (and occasionally some pain, possibly due to angle issues).
I'm concerned that having the catheter in for three months will cause scarring and further narrowing of the urethra.
Is this a concern, doctor?
A: Placing a catheter for three months will not cause urethral scarring that leads to further narrowing.
Your urethral injury and narrowing are due to infections or trauma that occurred before the discovery of your reduced urine flow.
Reply Date: 2019/11/06
More Info
Urethral stricture is a condition characterized by a narrowing of the urethra, which can lead to various urinary symptoms, including a weak urine stream, difficulty urinating, and urinary retention. In your case, the diagnosis of urethral stricture with a remaining caliber of only 0.1 cm is significant, and the treatment plan proposed by your physician involves the gradual dilation of the urethra using progressively larger catheters.
Treatment Options and Concerns
1. Dilation with Catheters: The method your doctor suggested—using progressively larger catheters to dilate the urethra—is a common and conservative approach to manage urethral strictures. Starting with a 0.4 cm catheter and gradually increasing to 0.6 cm over a few months allows the urethra to stretch and may help alleviate the stricture without the need for more invasive procedures initially. This method is generally considered safe and can be effective, especially for shorter strictures.
2. Potential Risks: While this approach is valid, there are some concerns to consider. The presence of a catheter can lead to irritation and inflammation of the urethra, which may cause some bleeding and discomfort, as you have experienced. It's essential to monitor the amount of bleeding; minor spotting can be normal, but if it becomes significant or is accompanied by severe pain, you should contact your physician.
3. Long-term Effects: There is a risk that prolonged catheterization could lead to scarring or further narrowing of the urethra, especially if there is significant irritation or if the catheter is not well-tolerated. Regular follow-up with your physician is crucial to assess the condition of the urethra and to determine if the dilation is effective or if alternative treatments are necessary.
4. Alternative Treatments: If dilation does not yield satisfactory results, other treatment options include:
- Urethral dilation with a balloon or rigid dilator: This can be performed in a clinical setting and may provide more effective results than catheter dilation.
- Urethrotomy: A surgical procedure that involves cutting the stricture to relieve the narrowing.
- Urethral reconstruction: In cases of severe or recurrent strictures, surgical reconstruction may be necessary to restore normal urethral function.
5. Monitoring and Follow-up: It’s important to have regular follow-ups with your urologist to monitor the progress of the treatment. They may perform additional tests, such as imaging or repeat cystoscopy, to evaluate the effectiveness of the dilation and to check for any complications.
6. Self-Care and Management: While managing a catheter, ensure you maintain proper hygiene to prevent urinary tract infections. Drink plenty of fluids to help flush the urinary system, and avoid any activities that could put undue stress on the catheter.
7. Seeking a Second Opinion: If you have concerns about the treatment plan or if you feel that your symptoms are not improving, seeking a second opinion from another urologist can provide additional insights and options.
In summary, the approach of using progressively larger catheters to treat your urethral stricture is a valid and commonly used method. However, it's essential to remain vigilant about any symptoms you experience and maintain open communication with your healthcare provider to ensure the best possible outcome.
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